ESET NOD32 Antivirus protects you against viruses, worms, trojans, spyware, adware, phishing, and hackers. With it's ThreatSense® Technology it reacts quickly to new threats by analyzing code execution for malicious intent. NOD32 is also system friendly. It consumes an average 23MB in memory and performs very fast.

Good protection offered in standard install mode. When the user runs the software in advanced mode, there is even a better, stronger, more comprehensive scanning available. System resources are kept to an absolute minimum, so the user can continue to use PC with the minimum of disruption and with the satisfaction that their PC is fully protected.
<br/>The ESS - security system package is well worth a look as well.